Founded by John Santangelo Sr. and Ed Levy in 1940 as T.W.O. Charles Company. Became defunct in 1986, but there most well known character, Peter Cannon, has since been published by DC and more recently Dynamite.

Founded by Victor S. Fox in the 1930's and became defunct in 1950's. Many of their characters are now properties of DC Comics, or were acquired by Dynamite to be used in their series Project Superpowers.

Founded by Richard Branson, Deepak Chopra, Shekhar Kapur, Sharad Devarajan, Suresh Seetharaman and Gotham Chopra in 2006 as Virgin Comics, but was renamed in 2008. They provided additional artwork on the Ani-Max one-shot and 18 Days hard cover.

Founded by Bill and Steve Schanes in 1971 as a mail-order retailer, before becoming a comics publisher in 1981. Became defunct in 1985, and ceased publishing the year before. During their short span, they published many creator owned titles by Jack Kirby, some of which have since been published by Dynamite.